This problem, that problem, and the other problem...
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Elder User
Joined: Apr 2010
Posts: 645
Likes: 1
From: Richlands, NC
This problem, that problem, and the other problem...
Okay! Get ready for question after question after question... But before we go into questions, let me tell you guys something I did today.
So, I was outside working on my carb, doing this and that, tightening it down to the rest of the thing. (By the way, those bolts holding down the carb were super loose! No wonder I was leaking fuel..) After that, I decided to check my valve cover and see how tight the bolts were, just for the hell of it...
All I have to say is I did a major FAIL!
After owning this truck since March, 2010, I have not once checked any of those bolts.
Every. Single. Bolt. Holding. Down. The. Cover. Wasn't. Even. Hand. Tight.
I could take the bolts out with my fingers! How was the cover even being held on there? Amazing! Must be some d@%m good sealant...
I always knew my truck had an oil leak, I could plainly see all the oil all over the motor. However, I never thought that the bolts weren't tightened down!
So, I tightened them up. However, this leads me to my first question...
How many pounds should I have them torqued down to?
They are just tiny bolts, so I don't think much more than 10 lbs or so, but... what should they be at?
The gold looking thing is the fuel filter, correct? And that vacuum port should hook up to the carbon canister next to the battery?
Is that silver canister another fuel filter? What is the other thing?
That circle at the far right, what hose hooks up to that port? The next circle to the left, what is that screw, is that the air or fuel? That bottom hose, what hose should hook up to that? The hose above that, what hose should hook up to that? That top vacuum port, what hose should hook up to that?
What is that blue cap? What's under it? Should something plug into that? What about that vacuum port plugged by a screw? What should that hook up to?
What are those two screws? Fuel? Which does which? Is one an idle screw?
What is that big nut? Could it be leaking fuel?
What is that thing sticking out? Should a hose hook to that? If so, what hose from where?
That plug in below the top hose, should a hose coming from the carb hook to that?
There are three wires coming from the alternator, and one of them is just hanging there. My truck still charges, so should that be a problem?
So, yeah, most problems have to do with the carb...
Please help me out! Thanks!
By the way, I know that I have asked some of these questions before, but I am just double checking...
So, I was outside working on my carb, doing this and that, tightening it down to the rest of the thing. (By the way, those bolts holding down the carb were super loose! No wonder I was leaking fuel..) After that, I decided to check my valve cover and see how tight the bolts were, just for the hell of it...
All I have to say is I did a major FAIL!
After owning this truck since March, 2010, I have not once checked any of those bolts.
Every. Single. Bolt. Holding. Down. The. Cover. Wasn't. Even. Hand. Tight.
I could take the bolts out with my fingers! How was the cover even being held on there? Amazing! Must be some d@%m good sealant...
I always knew my truck had an oil leak, I could plainly see all the oil all over the motor. However, I never thought that the bolts weren't tightened down!
So, I tightened them up. However, this leads me to my first question...
How many pounds should I have them torqued down to?
They are just tiny bolts, so I don't think much more than 10 lbs or so, but... what should they be at?
The gold looking thing is the fuel filter, correct? And that vacuum port should hook up to the carbon canister next to the battery?
Is that silver canister another fuel filter? What is the other thing?
That circle at the far right, what hose hooks up to that port? The next circle to the left, what is that screw, is that the air or fuel? That bottom hose, what hose should hook up to that? The hose above that, what hose should hook up to that? That top vacuum port, what hose should hook up to that?
What is that blue cap? What's under it? Should something plug into that? What about that vacuum port plugged by a screw? What should that hook up to?
What are those two screws? Fuel? Which does which? Is one an idle screw?
What is that big nut? Could it be leaking fuel?
What is that thing sticking out? Should a hose hook to that? If so, what hose from where?
That plug in below the top hose, should a hose coming from the carb hook to that?
There are three wires coming from the alternator, and one of them is just hanging there. My truck still charges, so should that be a problem?
So, yeah, most problems have to do with the carb...
Please help me out! Thanks!
By the way, I know that I have asked some of these questions before, but I am just double checking...
Senior User
Joined: Dec 2010
Posts: 184
Likes: 1
From: Strasburg, Va.
I don't have any help to offer you, but I feel about the same when I climb into my engine compartment, what's that?, where's this go?, why is that hangin' there? etc... . I will say one thing, I tried tightening down one od my valve cover bolts and snapped the damn thing off, so I need to figure out how to get a bolt extractor in there to get it, it had to be the one way in the back under other stuff.
Tuned
Joined: Nov 2009
Posts: 250
Likes: 1
From: Austin, Tx.
Some of the items in question stand out like sore thumbs, and I can help you with those.
I will index the answers by picture 1, picture 2, etc.
Picture 1: that is a fuel filter, and the fitting next to it is a bowl vent, that eventually connects to the vapor canister.
Picture 2: yes, that is another fuel filter(which you shouldn't need), and the other thing is your fuel pump
Picture 3: the screw is for idle mixture adjustment
Picture 5: those screws are for idle speed adjustment. The one on the solid block is for curb idle, the one on the movable "cam" is for fast idle
Picture 7: the big canister thing is your EGR valve, and there was a hose going to it
IF, and that's a BIG IF, this is the stock carb for this truck, the vacuum diagram on the radiator support would indicate where a lot of those hoses go. If not, then you would have to get that from someone who is more familiar with the motor and year of truck than I am.
Hope this helps.
I will index the answers by picture 1, picture 2, etc.
Picture 1: that is a fuel filter, and the fitting next to it is a bowl vent, that eventually connects to the vapor canister.
Picture 2: yes, that is another fuel filter(which you shouldn't need), and the other thing is your fuel pump
Picture 3: the screw is for idle mixture adjustment
Picture 5: those screws are for idle speed adjustment. The one on the solid block is for curb idle, the one on the movable "cam" is for fast idle
Picture 7: the big canister thing is your EGR valve, and there was a hose going to it
IF, and that's a BIG IF, this is the stock carb for this truck, the vacuum diagram on the radiator support would indicate where a lot of those hoses go. If not, then you would have to get that from someone who is more familiar with the motor and year of truck than I am.
Hope this helps.
Last edited by drumfield; Jan 15, 2011 at 05:49 PM. Reason: add info
Post Fiend
Joined: Nov 2005
Posts: 7,437
Likes: 4
From: Charles Town, W bygod Va
Okay! Get ready for question after question after question... But before we go into questions, let me tell you guys something I did today.
So, I was outside working on my carb, doing this and that, tightening it down to the rest of the thing. (By the way, those bolts holding down the carb were super loose! No wonder I was leaking fuel..) After that, I decided to check my valve cover and see how tight the bolts were, just for the hell of it...
All I have to say is I did a major FAIL!
After owning this truck since March, 2010, I have not once checked any of those bolts.
Every. Single. Bolt. Holding. Down. The. Cover. Wasn't. Even. Hand. Tight.
I could take the bolts out with my fingers! How was the cover even being held on there? Amazing! Must be some d@%m good sealant...
the fuel level in the carb is below that gasket so it wont leak much
I always knew my truck had an oil leak, I could plainly see all the oil all over the motor. However, I never thought that the bolts weren't tightened down!
I hope your carb isnt leakig oil!!
So, I tightened them up. However, this leads me to my first question...
How many pounds should I have them torqued down to?
Just snug them up good
They are just tiny bolts, so I don't think much more than 10 lbs or so, but... what should they be at?
The gold looking thing is the fuel filter, correct? And that vacuum port should hook up to the carbon canister next to the battery?
thats the fuel filter. the nipple is just a vent, it should have a hose that goes to the charcoal canister to catch fuel vaPors but it wont effect running
Is that silver canister another fuel filter? What is the other thing?
thats another filter someone added, to the left is the fuel pump.
That circle at the far right, what hose hooks up to that port? The next circle to the left, what is that screw, is that the air or fuel? That bottom hose, what hose should hook up to that? The hose above that, what hose should hook up to that? That top vacuum port, what hose should hook up to that?
dont know, I think thats your idle mixture screw.
What is that blue cap? What's under it? Should something plug into that? What about that vacuum port plugged by a screw? What should that hook up to?
What are those two screws? Fuel? Which does which? Is one an idle screw?
fast and slow idle screws
What is that big nut? Could it be leaking fuel?
just a plug, nothing important.
What is that thing sticking out? Should a hose hook to that? If so, what hose from where?
EGR valve
That plug in below the top hose, should a hose coming from the carb hook to that?
I think so
There are three wires coming from the alternator, and one of them is just hanging there. My truck still charges, so should that be a problem?
So, yeah, most problems have to do with the carb...
Please help me out! Thanks!
By the way, I know that I have asked some of these questions before, but I am just double checking...
So, I was outside working on my carb, doing this and that, tightening it down to the rest of the thing. (By the way, those bolts holding down the carb were super loose! No wonder I was leaking fuel..) After that, I decided to check my valve cover and see how tight the bolts were, just for the hell of it...
All I have to say is I did a major FAIL!
After owning this truck since March, 2010, I have not once checked any of those bolts.
Every. Single. Bolt. Holding. Down. The. Cover. Wasn't. Even. Hand. Tight.
I could take the bolts out with my fingers! How was the cover even being held on there? Amazing! Must be some d@%m good sealant...
the fuel level in the carb is below that gasket so it wont leak much
I always knew my truck had an oil leak, I could plainly see all the oil all over the motor. However, I never thought that the bolts weren't tightened down!
I hope your carb isnt leakig oil!!
So, I tightened them up. However, this leads me to my first question...
How many pounds should I have them torqued down to?
Just snug them up good
They are just tiny bolts, so I don't think much more than 10 lbs or so, but... what should they be at?
The gold looking thing is the fuel filter, correct? And that vacuum port should hook up to the carbon canister next to the battery?
thats the fuel filter. the nipple is just a vent, it should have a hose that goes to the charcoal canister to catch fuel vaPors but it wont effect running
Is that silver canister another fuel filter? What is the other thing?
thats another filter someone added, to the left is the fuel pump.
That circle at the far right, what hose hooks up to that port? The next circle to the left, what is that screw, is that the air or fuel? That bottom hose, what hose should hook up to that? The hose above that, what hose should hook up to that? That top vacuum port, what hose should hook up to that?
dont know, I think thats your idle mixture screw.
What is that blue cap? What's under it? Should something plug into that? What about that vacuum port plugged by a screw? What should that hook up to?
What are those two screws? Fuel? Which does which? Is one an idle screw?
fast and slow idle screws
What is that big nut? Could it be leaking fuel?
just a plug, nothing important.
What is that thing sticking out? Should a hose hook to that? If so, what hose from where?
EGR valve
That plug in below the top hose, should a hose coming from the carb hook to that?
I think so
There are three wires coming from the alternator, and one of them is just hanging there. My truck still charges, so should that be a problem?
So, yeah, most problems have to do with the carb...
Please help me out! Thanks!
By the way, I know that I have asked some of these questions before, but I am just double checking...
Moderator
Joined: Nov 2007
Posts: 22,415
Likes: 92
From: Denver Metro Area, CO
Yeah, just snug up those bolts, I think the official torque specs call for 12-15 inch-pounds
this is NOT the same as foot-pounds.
IOW, not real tight. This goes for oil pan, rocker covers and carb hold-down nuts.
this is NOT the same as foot-pounds.
IOW, not real tight. This goes for oil pan, rocker covers and carb hold-down nuts.
Elder User
Joined: Apr 2010
Posts: 901
Likes: 0
From: South Jersey
be careful messing with bolts, nuts, or really ANYTHING that appears wrong if it's working properly. an example of what i mean is if you had overtightened those bolts it could have been real problems.
remember, "if it ain't broke, don't fix it!"
remember, "if it ain't broke, don't fix it!"
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Thread Starter
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Elder User
Joined: Apr 2010
Posts: 645
Likes: 1
From: Richlands, NC
Okay! Thanks guys.
Hopefully, with what I did today and what i'll be doing soon, the truck should be getting better gas mileage.
Hopefully, with what I did today and what i'll be doing soon, the truck should be getting better gas mileage.
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